*{
    margin: 0;
    padding: 0;
}
body{
    background-color: #000;
    color: #666;
    text-align: center;
}
audio{
    width: 450px;
    margin: 30px 0;
}
.container{
    height: 420px;
    overflow: hidden;
    /* border: 2px solid #fff; */
}
.container ul{
    transition: .4s;
}
.container li{
    height: 30px;
    /* border: 1px solid #fff; */
    line-height: 30px;
    transition: .4s;

}
ul{
    list-style-type: none;
}
.list{
    /* transform: translateY(-60px);   */
}
.active{
    color: #fff;
    transform:scale(1.5) ;
}